脑再生科技美股盘前一度涨超64%，脑机接口概念股持续热炒。

Group 1 - The core viewpoint of the article highlights that brain regeneration technology stocks experienced a significant surge, with one company seeing a pre-market increase of over 64% [1] Group 2 - The article indicates that brain-computer interface concept stocks are being actively traded and are currently in a hot market phase [1]